What's method overloading
Overloading mean same method name and different parameter,
it can happen in same class. it's a feature that
allows us to have more than one method with same name.
Example: sort method of Arrays class
Arrays.sort(int[] arr)
Arrays.sort(String[] arr)
....
Method overloading improves the reusability and readability.
and it's easy to remember
(one method name instead of remembering multiple method names)c++ function overload
/*A function over load in c++ is when you take a function with the same definition but change the input variables.
This can include multiple functions with the same name see below
*/
#include <iostream>
using namespace std;
int function1(int var1){//example of single variable
//do somthing
}
int function1(int var1,int var2){//of overload
//do somthing
}
int function1(int var1,string var3){//of overload
//do somthing
}
int main(){
cout << "Hello World" << endl;
function1(4);
function1(3,-90);
function1(34,"it works");//these should all work even tho they have different input variables
return 0;
}method overloading
//https://www.geeksforgeeks.org/overloading-in-java/
// Java program to demonstrate working of method
// overloading in Java.
public class Sum {
// Overloaded sum(). This sum takes two int parameters
public int sum(int x, int y)
{
return (x + y);
}
// Overloaded sum(). This sum takes three int parameters
public int sum(int x, int y, int z)
{
return (x + y + z);
}
// Overloaded sum(). This sum takes two double parameters
public double sum(double x, double y)
{
return (x + y);
}
// Driver code
public static void main(String args[])
{
Sum s = new Sum();
System.out.println(s.sum(10, 20));
System.out.println(s.sum(10, 20, 30));
System.out.println(s.sum(10.5, 20.5));
}
}function overloading
function display(a:string, b:string):void //Compiler Error: Duplicate function implementation
{
console.log(a + b);
}
function display(a:number): void //Compiler Error: Duplicate function implementation
{
console.log(a);
}Copyright © 2021 Codeinu
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